Daily UPSC Prelims Current Affairs – February 16, 2023 [Mock Test]

1. Which of the following is/are the criteria for the eligibility of language to be considered for classification as “classical language”?

  1. Extraordinary antiquity of its early transcripts over a period of 1500-2000 years.
  2. The literary tradition should be original and unique.
  3. There should not be a discontinuity among the classical language and its later forms.

Choose the correct answer using the codes given below:

[A] Only 2
[B] Only 1 & 2
[C] Only 2 & 3
[D] 1, 2 & 3

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2. With respect to the National emergency under Article 352, if a proclamation is issued when Lok Sabha (LS) is dissolved, which of the following is/are correct?

  1. The proclamation will survive for 6 months from the date when the emergency was proclaimed.
  2. The proclamation will survive for 6 months from 1st sitting of LS after its constitution.
  3. Rajya Sabha approval is necessary for the proclamation.

Choose the correct answer using the codes given below:

[A] Only 1
[B] Only 3
[C] Only 2 & 3
[D] 1, 2 & 3

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3. Which of the following differences is/are correct about the Rayleigh and Raman Scattering?

  1. While Rayleigh scattering is a form of inelastic scattering of light, Raman is a form of elastic scattering.
  2. While Rayleigh scattering doesn’t conserve the energy of incident particles, Raman scattering does.
  3. Both in Rayleigh and Raman scattering, scattered photons have the same energy as the incident photons.

Choose the correct answer using the codes given below:

[A] Only 1
[B] Only 2 & 3
[C] 1, 2 & 3
[D] None of the above

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